Adams, Joseph H. (Joseph Henry), 1867-1941 · New York, London : Harper & Brothers · leaf 342
OUT-DOOR BOOK FOR BOYS the base excavate a hole, say three to four feet horizontally, care being taken to keep the entrance as small as possible. Hollow out the sides of the excavation and arch the roof, Fig. 36 … Fig. 37 till the floor of the oven is about two feet wide and the arch about sixteen inches at the centre. Fig. 37 A and B. Now carefully 'tap' the back end for the chimney, and insert a piece of stove-pipe if handy. A hole from four to six inches will give a good draught. Wet the inside of the 324
Games · Amusements
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